WO2014135003A1 - Dispositif formant terminal et procédé pour la transmission et la réception de trames - Google Patents

Dispositif formant terminal et procédé pour la transmission et la réception de trames Download PDF

Info

Publication number
WO2014135003A1
WO2014135003A1 PCT/CN2014/072155 CN2014072155W WO2014135003A1 WO 2014135003 A1 WO2014135003 A1 WO 2014135003A1 CN 2014072155 W CN2014072155 W CN 2014072155W WO 2014135003 A1 WO2014135003 A1 WO 2014135003A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
terminal device
operation data
interaction
data
Prior art date
Application number
PCT/CN2014/072155
Other languages
English (en)
Chinese (zh)
Inventor
高建波
王鹏人
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US14/914,737 priority Critical patent/US9788356B2/en
Publication of WO2014135003A1 publication Critical patent/WO2014135003A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/36—Flow control; Congestion control by determining packet size, e.g. maximum transfer unit [MTU]
    • H04L47/365—Dynamic adaptation of the packet size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/23—Manipulation of direct-mode connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for transmitting and receiving a terminal device and a frame.
  • Wi-Fi Alliance Wi-Fi Alliance
  • Wi-Fi Direct Standard refers to Allows devices on the wireless network to connect to each other without going through a wireless router.
  • Wi-Fi Direct devices can be connected to each other anytime, anywhere. Since no Wi-Fi router or access point is required, Wi-Fi devices can connect anywhere.
  • Wi-Fi Direct Device Discovery and Service Discovery help users determine which devices and services are available and then establish a connection.
  • Wi-Fi Directed devices use Wi-Fi Protected SetupTM to simplify the process of creating secure connections between devices.
  • Group Owner is compatible with the traditional Wi-Fi network and can act as an STA (client) or AP (access point).
  • STA client
  • AP access point
  • P2P secure connection with multiple Group Clients.
  • the Group Client is similar to STA.
  • STA station
  • P2P connection with the Group Owner.
  • the mobile terminal can use Wi-Fi Direct for simple, fast, and secure direct connection to other digital devices.
  • Wi-Fi Direct for simple, fast, and secure direct connection to other digital devices.
  • the transmission rate and the connection range are very advantageous.
  • the technology does not require wireless routing support, and the implementation is very convenient, but the Wi-Fi direct connection technology is due to the radio frequency antenna.
  • Problems such as the transmission power, and high power consumption, so it has a great influence on the (terminal) equipment using the DC power supply, and cannot be directly applied to the equipment of the DC power supply.
  • 802.11 frames there are mainly three types of 802.11 frames. Data frames are responsible for transferring data between workstations.
  • Data frames will vary depending on the network environment in which they are located. Control frames are usually used in conjunction with data frames to be responsible for area clearing, channel acquisition, and carrier sense maintenance, and to respond positively when data is received, thereby facilitating the reliability of data transmission between workstations.
  • the management frame is responsible for supervision, mainly for joining or exiting the wireless network, and for handling the transfer of connections between base stations.
  • the data frame passes the data of the upper layer protocol to the frame body for transmission.
  • Figure 1 shows the basic structure of a data frame. Control frames are primarily used to assist in the delivery of data frames. They can be used to monitor access to wireless media (but not the media itself) and to provide MAC-level reliability.
  • the control frames shown in Figure 2 all use the same frame control bits.
  • the basic structure of the management frame is shown in Figure 3.
  • the MAC headers of all management frames are the same, regardless of the subtype of the frame. Management frames use information elements (data blocks with numeric labels) to exchange data with other systems.
  • the transmission power is constant (generally 16dbm)
  • the power consumption consumed by receiving data within 100ms per unit time is 410mw
  • the power consumption consumed by transmitting data is 500mw.
  • the power consumption required to receive the unit data lkbit is 0.68mw
  • the power consumption required to transmit the unit data lkbit is 0.83mw.
  • An object of the embodiments of the present invention is to provide a terminal device and a frame sending and receiving method, which reduce power consumption of a Wi-Fi direct-connected device caused by problems such as a large transmit power of a radio frequency antenna, and reduce the use of a DC power supply device. The impact of this, thereby expanding the technical field of Wi-Fi Direct technology applications.
  • an embodiment of the present invention provides a terminal device, including: an acknowledgment module, configured to send a broadcast control frame to other terminal devices supporting Wi-Fi Direct technology, and receive a reply from the other terminal device.
  • the other terminal device that confirms the reply broadcast response frame supports dynamic frame interaction; and the scan module is configured to send a scan request frame to the other terminal device supporting dynamic frame interaction, and the scan request frame is received.
  • the end address field is empty.
  • the foregoing terminal device further includes: a discovery module, configured to receive a scan request frame sent by the other terminal device that supports dynamic frame interaction, and parse the scan request frame to obtain an analysis result, if the parsing result indicates that Other terminal settings If the address field of the receiving end of the scan request frame is empty, the scan response frame is constructed and sent to the other terminal device, where only the type and subtype information are reserved in the MAC header field of the scan response frame.
  • the terminal device further includes: an operation module, configured to send an operation data frame to the other terminal device that supports dynamic frame interaction, where a frame body data area length of the operation data frame is smaller than a frame body data area length of the original operation data frame .
  • the length of the frame body data area of the operation data frame is less than or equal to 10 bytes, and the control type is identified by 1 byte in the frame body data area, and the remaining data area is used to store the controlled additional data.
  • the frame body data area of the operation data frame further includes: an element identifier for identifying whether the operation data frame is an extended operation data frame.
  • the operation module is further configured to: receive an operation data frame sent by the other terminal device that supports dynamic frame interaction, and read an element identifier in a frame body data area of the operation data frame, according to the element The value of the identifier determines whether the operational data frame is an extended operational data frame. Further, when the operation module determines that the received operation data frame is an extended operation data frame, the operation module reads the data of the first byte in the frame body data area of the operation data frame.
  • the terminal device further includes: a setting module, configured to preset a function corresponding to the control information according to the terminal device type, wherein the control information includes the control type and the additional data.
  • the embodiment of the invention further provides a frame sending method, including: sending a broadcast control frame to other terminal devices supporting the Wi-Fi direct connection technology, and confirming the reply broadcast after receiving the broadcast response frame replied by the other terminal device
  • the other terminal device of the response frame supports dynamic frame interaction; and sends a scan request frame to the other terminal device that supports dynamic frame interaction, and the receiving end address field of the scan request frame is empty.
  • the above frame sending method further includes: And transmitting, to the other terminal device that supports dynamic frame interaction, an operation data frame, where a frame body data area length of the operation data frame is smaller than a frame body data area length of the original operation data frame.
  • the frame body data area of the operation data frame further includes: an element identifier for identifying whether the operation data frame is an extended operation data frame.
  • the embodiment of the present invention further provides a frame receiving method, including: receiving a broadcast control frame sent by another terminal device supporting the Wi-Fi Direct technology, and replying to the other terminal device with a broadcast response frame, and confirming that the dynamic frame interaction is supported; Receiving a scan request frame sent by the other terminal device that supports the dynamic frame interaction, and parsing the scan request frame to obtain an analysis result, if the parsing result indicates the receiving end of the scan request frame sent by the other terminal device If the address field is empty, the scan response frame is constructed and sent to the other terminal device, where only the type and subtype information are reserved in the MAC header field of the scan response frame.
  • the receiving method further includes: receiving an operation data frame sent by the other terminal device that supports dynamic frame interaction, and reading an element identifier in a frame body data area of the operation data frame, according to the element identifier The value determines whether the operational data frame is an extended operational data frame.
  • FIG. 1 shows a basic structure of an 802.11 data frame
  • FIG. 2 shows a frame control bit of an 802.11 control frame
  • FIG. 3 shows a basic structure of an 802.11 management frame
  • Figure 5 is a diagram showing an optimized structure of a scan request frame in the embodiment of the present invention
  • Figure 6 is a diagram showing an optimized structure of a scan response frame in the embodiment of the present invention
  • Figure 7 is a diagram showing an optimized structure of an operation data frame in the embodiment of the present invention
  • FIG. 9 is a flowchart of analyzing a scan request frame in the embodiment of the present invention
  • FIG. 1 shows a basic structure of an 802.11 data frame
  • FIG. 2 shows a frame control bit of an 802.11 control frame
  • FIG. 3 shows a basic structure of an 802.11 management frame
  • Figure 5 is a diagram showing an optimized structure of a scan request frame in the embodiment of the present invention
  • Figure 6 is a diagram showing an optimized structure of a scan response frame in the embodiment of the present invention
  • the embodiments of the present invention provide a terminal device for the problem that the device supporting the Wi-Fi direct connection technology consumes a large amount of power and has a large influence on the device that uses the DC power supply, respectively, by separately detecting the scanning phase and the discovery phase.
  • the frames in the operation phase are dynamically adaptively adjusted to the length of the interactive frame. It is not necessary to send a fixed-length data frame every time. It only needs to send enough information data according to the characteristics of the Wi-Fi direct connection technology, and the frame is saved a lot.
  • an embodiment of the present invention provides a terminal device 10, including: an acknowledgment module 11 configured to send a broadcast control frame to other terminal devices supporting Wi-Fi Direct technology, and receive the other After the broadcast response frame replied by the terminal device, the other terminal device that confirms the reply broadcast response frame supports dynamic frame interaction; and the scanning module 13 is configured to send a scan request frame to the other terminal device that supports dynamic frame interaction, where the scan The receiving end address field of the request frame is empty.
  • the terminal device 10 of the above-mentioned embodiment of the present invention queries whether the current Wi-Fi Direct device supports dynamic frame interaction by adding a broadcast control frame, and if the support, returns a broadcast to the query device.
  • the response frame indicates that dynamic frame interaction is supported. If it is not supported, since the broadcast control frame is an extended control frame, other terminal devices will not respond because they are not recognized.
  • the terminal device 10 records only the device that has replied to the broadcast response frame locally, and then can perform dynamic frame interaction with the device. For other terminal devices that do not support dynamic frame interaction, they still interact according to the regular frame type, which ensures compatibility for various devices.
  • the scanning module 13 sends a scan request frame Probe Request, which belongs to the management frame type and is also a broadcast control frame type.
  • a scan request frame Probe Request which belongs to the management frame type and is also a broadcast control frame type.
  • the MAC address of the receiving end will be completely filled in FF , that is, the address field of the receiving end of the scanning request frame is empty; therefore, in this process, the address field in the frame structure can be removed,
  • the field is 6 bytes. Since the scan request frame is sent very frequently in actual operation, the 6 bytes of the frame can be saved.
  • the terminal device 10 further includes: a discovery module 14 configured to receive a scan request frame sent by the other terminal device that supports dynamic frame interaction, and parse the scan request frame, Obtaining an analysis result, if the parsing result indicates that the receiving end address field of the scan request frame sent by the other terminal device is empty, constructing a scan response frame, and transmitting the scan response frame to the other terminal device, where the scan response frame Only the type and subtype information is retained in the MAC header field.
  • the discovery module 14 of the terminal device 10 of the above embodiment of the present invention mainly uses a Wi-Fi Direct device to reside on each channel, responds to the received scan request frame, and then sends a scan response frame to the other terminal device.
  • the address field of the scan response frame cannot be removed, otherwise the other terminal device cannot confirm the MAC address of the scan response frame; and the scan response frame is the control frame, as shown in FIG. 6, considering the characteristics of the control frame, for the MAC header field There are no special requirements for media access, extended fragment bits, retry bits, additional data, etc., so it can be removed. Only the type and subtype are required in the MAC header field of the control frame. The type uses 2 bits to identify the supported protocol version, subtype. Use 4bit to identify the frame type; this can reduce the 2 bytes 16 bits of the MAC header field to one byte and 8 bits. Due to the low speed transmission of the MAC header field, the MAC header field length is reduced, which can increase the transmission efficiency. .
  • the terminal device 10 further includes: The operation module 15 is configured to send an operation data frame to the other terminal device that supports dynamic frame interaction, where a frame body data area length of the operation data frame is smaller than a frame body data area length of the original operation data frame.
  • the length of the frame body data area of the operation data frame is less than or equal to 10 bytes, and the control type is identified by 1 byte in the frame body data area, and the remaining data area is used to store the controlled additional data.
  • the main optimization of the operation module 15 is in the main frame of the frame.
  • the frame body data area length of the above-mentioned original operation data frame is at most 2312 bytes.
  • 2312 bytes of the frame body data area are reduced to 10 bytes, wherein 1 byte is used to identify 256 states, that is, 256 types.
  • Control state the remaining bytes, used to store additional data for control; the remaining data area length is also dynamic, can be 0, indicating no additional data, such as on, off state, etc., up to 9 bytes can be Complete, such as temperature data of the refrigerator, air volume data of the air conditioner, and the like.
  • the frame body data area of the operation data frame further includes: an element identifier for identifying whether the operation data frame is an extended operation data frame.
  • the frame body of the operation data frame uses a dynamic IE (Information Elements) method, and an element identifier (Element ID) is occupied by one byte, and then The length of the subsequent data is recorded to identify whether the operation data frame is an extended operation data frame. If the recorded data length is less than or equal to 10 bytes, the operation data frame is an extended operation data frame; otherwise, the operation data frame is not an extended operation data frame.
  • IE Information Elements
  • the average length of the frame body in the operation data frame is 100 bytes, so that each operation data frame can save 90 bytes, according to the data frame.
  • Data frames can save a lot of power if data interaction is frequent.
  • the operation module 15 is further configured to: receive an operation data frame sent by the other terminal device supporting dynamic frame interaction, and read an element identifier in a frame body data area of the operation data frame, according to the element The value of the identifier determines whether the operational data frame is an extended operational data frame.
  • the operation module 15 determines that the received operation data frame is an extended operation data frame
  • the operation module reads the data of the first byte in the frame body data area of the operation data frame, and obtains The control type of the other terminal device, and reading the subsequent additional data according to the data length stored in the second byte, and parsing the complete control information according to the control type and the additional data, according to the
  • the control information is responsive to a control operation performed by the other terminal device, and transmits result status information indicating whether the operation is successful to the other terminal device.
  • the operation module 15 has the function of transmitting an operation data frame, and also has the function of receiving and parsing the operation data frame.
  • the operation module 15 first determines whether the operation data frame is an extended operation data frame by using the element identifier of the operation data frame, and if so, reads the first byte in the frame body data area of the operation data frame, and identifies Is the control type of other terminal devices; then reads the subsequent additional data according to the data length stored in the second byte, and then parses out the complete control information according to the control type and the additional data, and then the peer Wi-Fi direct device After the function status of the terminal request is completed, the control terminal is sent a state of success or failure of the operation; thus, a large number of frames are saved, and power consumption can be greatly saved in frequent frame interaction. In the prior art, the Internet of Things has been widely used in other technical fields.
  • the present invention combines the Internet of Things with the Wi-Fi Direct technology.
  • the terminal device 10 further includes: a setting module 12 And configured to preset a function corresponding to the control information according to the terminal device type, wherein the control information includes the control type and the additional data.
  • the setting module 12 presets functions corresponding to the control information according to the type of the terminal device 10, such as a refrigerator temperature control bit: 1; an air conditioning air volume control bit: 2, and the like.
  • the one-to-one correspondence may be stored in advance to a terminal and a device, or may be provided to the user with an open entry function control code, and the user may set the correspondence according to his or her habits, preferences, and the like.
  • the embodiment of the present invention further provides a frame sending method, including: Step 111: Send a broadcast control frame to other terminal devices supporting the Wi-Fi Direct technology, and after receiving the broadcast response frame replied by the other terminal device Confirming that the other terminal devices that reply to the broadcast response frame support dynamic frame interaction; Step 112: Send a scan request frame to the other terminal device that supports dynamic frame interaction, where a receiving end address field of the scan request frame is empty. As shown in FIG.
  • Step 101 Construct a query broadcast control frame
  • Step 102 Determine, within a timeout period, whether a broadcast response frame of another terminal device is received
  • Step 103 If the broadcast response frame of the other terminal device is received within the timeout period, it indicates that the other terminal device supports the dynamic frame interaction
  • Step 104 if the broadcast response frame of the other terminal device is not received within the timeout period, then according to Normal frame interaction.
  • the method for transmitting a frame further includes: Step 113: Send an operation data frame to the other terminal device that supports dynamic frame interaction, where a frame body data area length of the operation data frame is smaller than a frame body data area of the original operation data frame. length.
  • the frame body data area of the operation data frame further includes: an element identifier for identifying whether the operation data frame is an extended operation data frame.
  • the method embodiment is a method corresponding to the foregoing terminal device as a transmitting end, and all embodiments of the terminal device are applicable to the method, and can achieve the same technical effects as the terminal device.
  • An embodiment of the present invention further provides a frame receiving method, including: Step 211: Receive a broadcast control frame sent by another terminal device supporting Wi-Fi Direct technology, and reply a broadcast response frame to the other terminal device to confirm support.
  • Step 212 Receive a scan request frame sent by the other terminal device that supports dynamic frame interaction, and parse the scan request frame to obtain an analysis result, if the parsing result indicates that the other terminal device sends
  • the scan request frame of the scan request frame is empty, and a scan response frame is constructed and sent to the other terminal device, wherein only the type and subtype information are retained in the MAC header field of the scan response frame.
  • step 212 of the foregoing embodiment of the present invention specifically includes: Step 301: Receive a scan request frame; Step 302: Determine whether the address field of the receiving end is empty in the received scan request frame. Step 303: If the address field of the receiving end is empty, the scanning request frame is a dynamically optimized request frame.
  • Step 304 Construct An extended scan response frame
  • Step 305 sending a scan response frame to other terminal devices.
  • the method for receiving a frame further includes: Step 213: Receive an operation data frame sent by the other terminal device that supports dynamic frame interaction, and read an element identifier in a frame body data area of the operation data frame, according to The value of the element identifier determines whether the operational data frame is an extended operational data frame. As shown in FIG.
  • step 213 of the foregoing embodiment of the embodiment of the present invention specifically includes: Step 601: Receive an operation data frame sent by a terminal device; Step 602: Read an element identifier in a frame body of the operation data frame; Step 603, determining, according to the value of the element identifier, whether the operation data frame is an extended operation data frame; Step 604, if it is an extended operation data frame, reading the first byte of the operation data frame frame main data area Data, the data indicates the control type of the other terminal device; Step 605, according to the control type read in step 604, and then reads the additional data of the following byte according to the data length of the second byte; Step 606, combine The data read in steps 604 and 605 parses the complete control information and responds to the control operations of other terminal devices.
  • Step 607 returning the operation result status information to the terminal control device, as long as the operation result is returned successfully.
  • the method embodiment is a method corresponding to the foregoing terminal device as a receiving end, and all the embodiments of the terminal device are applicable to the method, and can achieve the same technical effects as the terminal device.
  • the frames of the scanning phase, the discovery phase, and the operation phase are dynamically adaptively adjusted to adjust the length of the interaction frame, and the fixed-length data frame is not sent every time, and only needs to be based on the Wi-Fi direct connection technology.
  • the characteristics of sending sufficient information data can save a lot of frame length, effectively solve the power consumption problem, and realize a simple connection scheme, so that devices supporting Wi-Fi direct connection can be simple Interaction.
  • the above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make several improvements and retouchings without departing from the principles of the present invention. It should also be considered as the scope of protection of the present invention.
  • INDUSTRIAL APPLICABILITY The technical solution provided by the embodiments of the present invention can be applied to the field of communication technologies, and the lengths of the interaction frames are dynamically adaptively adjusted by the frames in the scanning phase, the discovery phase, and the operation phase, respectively, without sending a fixed length every time.
  • the data frame only needs to send enough information data according to the characteristics of the Wi-Fi direct connection technology, which greatly saves the length of the frame, effectively solves the power consumption problem, and can realize a simple connection scheme and enables Wi. -Si direct interaction between devices directly connected to the Fi.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte à un dispositif formant terminal et à un procédé pour la transmission et la réception de trames. L'invention appartient au domaine technique des communications. Le dispositif formant terminal comprend un module de confirmation qui est configuré de façon : à transmettre une trame de service de diffusion générale à un autre dispositif formant terminal qui prend en charge une technologie de connexion directe par Wifi (fidélité sans fil); et à confirmer que l'autre dispositif formant terminal qui répond en transmettant des trames de réponse de diffusion générale prend en charge une interaction dynamique de trames après avoir reçu la trame de réponse de diffusion générale retournée en réponse par l'autre dispositif formant terminal. Le dispositif formant terminal comprend d'autre part un module de numérisation qui est configuré de façon à transmettre une trame de demande de numérisation à l'autre dispositif formant terminal qui prend en charge l'interaction dynamique de trames. L'invention est caractérisée en ce que le champ d'adresse du côté de réception de la trame de demande de numérisation est vide. Grâce à un ajustement dynamique et auto-adaptatif de la longueur de trames d'interaction en rapport avec des trames durant une phase de numérisation, une phase de recherche et une phase de fonctionnement respectivement, la longueur des trames peut être considérablement réduite. La présente invention est ainsi apte à résoudre le problème lié à la consommation de puissance. Dans le même temps, comme une solution de connexion physique simple peut être mise en œuvre, les dispositifs qui prennent en charge la technologie de connexion directe par Wifi peuvent exécuter une interaction simple.
PCT/CN2014/072155 2013-08-26 2014-02-17 Dispositif formant terminal et procédé pour la transmission et la réception de trames WO2014135003A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/914,737 US9788356B2 (en) 2013-08-26 2014-02-17 Terminal device, and frame sending and receiving methods

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310375812.XA CN104427592B (zh) 2013-08-26 2013-08-26 一种终端设备及帧发送和接收方法
CN201310375812.X 2013-08-26

Publications (1)

Publication Number Publication Date
WO2014135003A1 true WO2014135003A1 (fr) 2014-09-12

Family

ID=51490619

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/072155 WO2014135003A1 (fr) 2013-08-26 2014-02-17 Dispositif formant terminal et procédé pour la transmission et la réception de trames

Country Status (3)

Country Link
US (1) US9788356B2 (fr)
CN (1) CN104427592B (fr)
WO (1) WO2014135003A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107743154A (zh) * 2017-10-18 2018-02-27 上海兴容信息技术有限公司 一种基于Wi‑Fi智能终端的追踪及考勤系统及其方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9955333B2 (en) * 2014-08-20 2018-04-24 Qualcomm, Incorporated Secure wireless wake-up companion
CN106789415A (zh) * 2016-12-12 2017-05-31 东软集团股份有限公司 设备信息的采集方法、装置及系统
CN113900386B (zh) * 2021-11-17 2022-02-25 北京联盛德微电子有限责任公司 一种物联网设备自适应联动控制方法及系统
CN116021160B (zh) * 2022-12-29 2023-10-27 中国电力科学研究院有限公司 通过计量现场手持设备控制激光蚀刻设备的方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102668647A (zh) * 2009-11-17 2012-09-12 三星电子株式会社 用于调查在WiFi直连网络中的WiFi显示服务的方法和装置
CN103067776A (zh) * 2012-12-26 2013-04-24 Tcl集团股份有限公司 节目推送方法、系统及智能显示设备、云端服务器
EP2590454A1 (fr) * 2011-11-02 2013-05-08 Industrial Technology Research Institute Procédé de communication directe et dispositif de communication directe et dispositif coordinateur utilisant celui-ci

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8891497B1 (en) * 2006-03-14 2014-11-18 Atmel Corporation Method and apparatus for coordinating a wireless PAN network and a wireless LAN network
US8755302B2 (en) * 2009-09-24 2014-06-17 Samsung Electronics Co., Ltd. Method and system for ad-hoc communications over millimeter wave wireless channels in wireless systems
EP2485411B1 (fr) * 2009-09-29 2016-01-27 Electronics and Telecommunications Research Institute Procédé et appareil d'établissement d'une liaison relais dans un système de communication sans fil
WO2012074316A2 (fr) * 2010-12-01 2012-06-07 Lg Electronics Inc. Procédé et appareil d'adaptation de liens dans un réseau local sans fil
US20120188981A1 (en) * 2010-12-24 2012-07-26 Electronics And Telecommunications Research Institute Signalling method for direct communication between terminals
US9356974B2 (en) * 2012-01-12 2016-05-31 Marvell World Trade Ltd. Systems and methods for establishing a Wi-Fi display (WFD) session
US9730159B2 (en) * 2012-04-02 2017-08-08 Lg Electronics Inc. Method and apparatus for accessing channel in WLAN system
US9887821B2 (en) * 2012-04-15 2018-02-06 Lg Electronics Inc. Method and apparatus for transmitting and receiving feedback trigger frames in wireless LAN systems
US9544932B2 (en) * 2012-06-26 2017-01-10 Lg Electronics Inc. Method and device for transmitting and receiving signal for device-to-device communication in wireless communication system
US9094820B2 (en) * 2012-08-29 2015-07-28 Qualcomm Incorporated Systems and methods for securely transmitting and receiving discovery and paging messages
KR101670753B1 (ko) * 2013-02-21 2016-10-31 엘지전자 주식회사 와이파이 다이렉트(Wi- Fi Direct) P2P(Peer to Peer) 통신을 위한 기기 발견 방법 및 이를 위한 장치
WO2014163410A1 (fr) * 2013-04-04 2014-10-09 엘지전자 주식회사 Procédé pour une communication dispositif à dispositif dans un système de communication sans fil et appareil à cet effet
FI124600B (en) * 2013-04-30 2014-10-31 Bluegiga Technologies Oy Method and technical apparatus for short - distance communication
ES2769499T3 (es) * 2013-10-24 2020-06-26 Nokia Technologies Oy Descubrimiento de dispositivo, selección de dispositivo y establecimiento de conexión en un sistema de comunicación inalámbrica de corto alcance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102668647A (zh) * 2009-11-17 2012-09-12 三星电子株式会社 用于调查在WiFi直连网络中的WiFi显示服务的方法和装置
EP2590454A1 (fr) * 2011-11-02 2013-05-08 Industrial Technology Research Institute Procédé de communication directe et dispositif de communication directe et dispositif coordinateur utilisant celui-ci
CN103067776A (zh) * 2012-12-26 2013-04-24 Tcl集团股份有限公司 节目推送方法、系统及智能显示设备、云端服务器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107743154A (zh) * 2017-10-18 2018-02-27 上海兴容信息技术有限公司 一种基于Wi‑Fi智能终端的追踪及考勤系统及其方法
CN107743154B (zh) * 2017-10-18 2024-02-06 兴容(上海)信息技术股份有限公司 一种基于Wi-Fi智能终端的追踪及考勤系统及其方法

Also Published As

Publication number Publication date
CN104427592B (zh) 2019-04-26
US9788356B2 (en) 2017-10-10
CN104427592A (zh) 2015-03-18
US20160212781A1 (en) 2016-07-21

Similar Documents

Publication Publication Date Title
JP4518183B2 (ja) 無線通信システム、無線通信装置、無線通信方法及びプログラム
US9912446B2 (en) Device, method and computer readable medium for communication on a ZigBee network
RU2397620C2 (ru) Гибкие интервалы прослушивания для многоадресных и/или широковещательных служб
KR101569298B1 (ko) 무선랜 시스템에서 통신 방법
CN1947357B (zh) 802.11多播寻呼应用的节电方法
JP5670477B2 (ja) 無線通信システムにおける拡張サービス発見機構
US8320286B2 (en) Infrastructure offload wake on wireless LAN (WOWL)
US20070291681A1 (en) Method and apparatus for providing information about each group address that has data waiting for delivery in node, point or terminal in a WLAN
US7570610B2 (en) Power management method
US8345647B2 (en) Flexible multicast and/or broadcast listening intervals
CN101331702A (zh) 用于多播和/或广播确认方法、无线局域网、节点和设备
KR20050044705A (ko) 무선 랜에서의 이동 단말기를 페이징하기 위한 방법 및 장치
JP2009521187A (ja) より節電するためのマルチポール指示
WO2014135003A1 (fr) Dispositif formant terminal et procédé pour la transmission et la réception de trames
US7289518B2 (en) Method and apparatus for reducing power consumption in a wireless network station
WO2013181852A1 (fr) Dispositif et procédé de communication d'une configuration de liaison initiale rapide
WO2018072544A1 (fr) Procédé et appareil de transmission d'informations
KR20080083086A (ko) 무선 네트워크에서의 통신방법, 무선 네트워크에서스테이션의 통신방법 및 스테이션
KR20190117401A (ko) 블룸 필터를 이용한 wur 멀티캐스팅 장치 및 방법
KR20110026710A (ko) 무선개인 통신망에서의 ｍａｃ프레임을 이용한 브로드캐스팅 시스템 및 이의 제어방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14759653

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 14914737

Country of ref document: US

122 Ep: pct application non-entry in european phase

Ref document number: 14759653

Country of ref document: EP

Kind code of ref document: A1